@inproceedings{ji2020revisit,
  author = {Ji, Yitong and Sun, Aixin and Zhang, Jie and Li, Chenliang},
  title = {A Re-Visit of the Popularity Baseline in Recommender Systems},
  year = {2020},
  isbn = {9781450380164},
  publisher = {Association for Computing Machinery},
  address = {New York, NY, USA},
  url = {https://doi.org/10.1145/3397271.3401233},
  booktitle = {Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval},
  pages = {1749–1752},
  numpages = {4}
}